I thought the Emtron DX3 and 4 were the Aussie national amp(-;
Carl
> Carl,
>
> That relay is available in a 24V version. And there's a 16A contacts
> rating option as well which may be the better choice especially if a guy
> is running at the full AUS/NZ-400w power level instead of the domestic
> 1500w power level.
>
> 73/jeff/ac0c
> www.ac0c.com
>
>
> --------------------------------------------------
> From: "Carl" <km1h@jeremy.mv.com>
> Sent: Friday, August 06, 2010 8:33 AM
> To: "Paul Christensen" <w9ac@arrl.net>; <amps@contesting.com>
> Subject: Re: [Amps] Automotive Relays
>
>> I'll have to give those a try, I want to experiment with some 6M antenna
>> phasing. The 12V coil may be a problem in a very long run, probably have
>> to
>> dial back a 24V PS.
>>
>> Carl
>> KM1H
>>
>>
>> ----- Original Message -----
>> From: "Paul Christensen" <w9ac@arrl.net>
>> To: <amps@contesting.com>
>> Sent: Tuesday, August 03, 2010 5:37 PM
>> Subject: Re: [Amps] Automotive Relays
>>
>>
>>> Although not strictly an "automotive" relay, W8ZR has conducted
>>> extensive
>>> tests on the Tyco/Shrack RTB14012, available for USD $1.80 ea. from
>>> Mouser
>>> Electronics:
>>>
>>> http://www.mouser.com/Search/Refine.aspx?Keyword=RTB14012
>>>
>>> Jim is using these relays for high-power 1.5KW+ switching in his new
>>> StationPro controller.
>>>
>>> http://www.w8zr.net/stationpro/index.htm
>>>
>>> He's seeing some very low loss and VSWR numbers up through 6m, with
>>> decent
>>> performance through 2m. Not bad for a $1.80 PCB sealed power relay. I
>>> believe Jim has tested another similar relay with even lower loss in the
>>> same price class.
>>>
>>> Paul, W9AC
>>>
>>>
>>>> ----- Original Message -----
>>>> From: "Dave Hachadorian" <k6ll@arrl.net>
>>>> To: <amps@contesting.com>
>>>> Sent: Tuesday, August 03, 2010 4:54 PM
>>>> Subject: Re: [Amps] Automotive Relays
>>>>
>>>>
>>>>> Below is some info from W2VJN on inexpensive relays for RF. They
>>>>> are available for $2.43 each here:
>>>>> http://parts.digikey.com/1/parts/747811-relay-pwr-spdt-10a-12vdc-pc-mnt-jw1fsn-dc12v.html
>>>>>
>>>>> Dave Hachadorian, K6LL
>>>>> Big Bear Lake, CA
>>>>>
>>>>>
>>>>>> The relays which we use in the Top Ten Devices boxes are 10
>>>>>> amp,
>>>>>> sealed power relays. They are very small and have very low
>>>>>> inductance. The contacts are connected to the base pins with
>>>>>> wide conductors. I have run many power tests on these relays
>>>>>> and the pc boards they are mounted on with temperature monitors
>>>>>> and they will take full amateur power (+) to over 30 MHz. We
>>>>>> rate our boxes conservatively at 1.5 KW. The part number is
>>>>>> JW1FSN-DC12V. They come with several different brand names on
>>>>>> them. Similar relays are being used by other manufactures of
>>>>>> amateur boxes and they rate them variously at 3 KW and 5 KW.
>>>>>>
>>>>>> George, W2VJN
>>>>>
>>>>>
>>>>> _______________________________________________
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>>>>> http://lists.contesting.com/mailman/listinfo/amps
>>>>>
>>>>
>>>>
>>>
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>>
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>
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